DTS-HD Master Audio is a high-definition digital surround sound format developed by DTS for home theater use. The format supports up to eight channels of surround sound with a greater dynamic range, wider frequency response, and higher sampling rate than other DTS surround formats. Its closest competitor is Dolby TrueHD.
Dolby, DTS and THX Surround Listening Modes Explained
Similar to Dolby TrueHD, DTS-HD Master Audio is primarily used in the Blu-ray Disc and Ultra HD Blu-ray formats. It was also used in the discontinued HD-DVD format.
A DTS-HD Master Audio signal can be transferred from a compatible source (such as Blu-ray and Ultra HD Blu-ray) in two ways:
Unlike the DTS Digital Surround format, DTS-HD Master Audio (unencoded or decoded) cannot be transmitted over digital optical or digital coaxial audio connections. There is too much information, even in compressed form, for those connection options to carry DTS-HD Master Audio signals.
